Pre-pandemic suicidal ideation and COVID-19 preventive behavior: a prospective cohort study

Hajime Sueki*, Michiko Ueda

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We investigated the association between suicidal ideation and COVID-19 preventive behaviors using a prospective observational longitudinal design (N = 6683). The baseline survey was 24 January 2020 (before COVID-19 pandemic, T1) and the follow-up survey was between April 27 and 30, 2020 (during COVID-19 pandemic, T2). The sample was the general adult population in Japan. Adjusted for demographic and socioeconomic factors, high suicidal ideation at T1 was associated with significantly low levels of engagement in COVID-19 preventive behaviors at T2. Individuals with strong suicidal ideation before the pandemic were less likely to engage in COVID-19 preventive behaviors.

Original languageEnglish
Pages (from-to)2179-2185
Number of pages7
JournalPsychology, Health and Medicine
Issue number10
Publication statusPublished - 2022


  • COVID-19
  • preventive behavior
  • public health
  • suicidal ideation
  • suicide

ASJC Scopus subject areas

  • Clinical Psychology
  • Applied Psychology
  • Psychiatry and Mental health


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